Allyn Kay O'Byrne, RPH

Primary specialty

PharmacistTaxonomy code 183500000X

License

029937 Issued in MO

Practice address

1 Jefferson Barracks Dr
Saint Louis, MO 63125-4181

Phone

(314) 894-6508

NPI assigned

Apr 6, 2006

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Registered Pharmacist

State licenses

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1144281600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1992767685",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6737 WALSH ST",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631093005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 JEFFERSON BARRACKS DR",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631254181",
            "telephone_number": "314-894-6508"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BYRNE",
        "first_name": "ALLYN",
        "middle_name": "KAY",
        "name_prefix": "Ms.",
        "credential": "RPH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-06",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "183500000X",
            "taxonomy_group": "",
            "desc": "Pharmacist",
            "state": "MO",
            "license": "029937",
            "primary": true
        },
        {
            "code": "183500000X",
            "taxonomy_group": "",
            "desc": "Pharmacist",
            "state": "CA",
            "license": "23932",
            "primary": false
        },
        {
            "code": "183500000X",
            "taxonomy_group": "",
            "desc": "Pharmacist",
            "state": "IL",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Richard Lane O'Brien, D.D.S.
• Kevin Sullivan O'Bryan, MD
• Lindsey O'Bryant, AGNP-C
• Michael William O'Bryant, DO
• Bliss Elizabeth O'Bryhim, MD
• Emily Charlotte O'Chiu, RD
• Christopher Ryan O'Connell, M.D.
• Jennifer O'Connell, SLP
• Keara Brady O'Connell, MD
• Srijana O'Connell, M.D.

• Pharmacist in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Pharmacist in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.